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The observed interstellar scintillation pattern of an intra-day variable radio source is influenced by its source structure. If the velocity of the interstellar medium responsible for the scattering is comparable to the earth's, the vector…

Astrophysics · Physics 2009-11-07 J-P Macquart , D. L. Jauncey

Synchronously orbiting, tidally-locked exoplanets with a dayside facing their star and a permanently dark nightside orbiting dim stars are prime candidates for habitability. Simulations of these planets often show the potential to maintain…

Earth and Planetary Astrophysics · Physics 2020-07-15 Marie-Pier Labonté , Timothy M. Merlis

The coupled quantum dynamics of electrons and protons is ubiquitous in many dynamical processes involving light-matter interaction, such as solar energy conversion in chemical systems and photosynthesis. A first-principles description of…

Chemical Physics · Physics 2023-11-07 Jianhang Xu , Ruiyi Zhou , Tao E. Li , Volker Blum , Sharon Hammes-Schiffer , Yosuke Kanai

The beta-decay of a tritium nucleus produces an entangled quantum system, a beta electron, a helium nucleus, and an antineutrino. For finite collapse times, the post-collapse beta electron energy can originate from a range of pre-collapse…

Nuclear Theory · Physics 2016-09-08 Richard Shurtleff

Future fusion nuclear reactors will produce sustainable energy form the fusion of deuterium and tritium. In order to do so, the reactors will need to produce their own tritium through the neutron bombardment of lithium. Such reaction will…

Materials Science · Physics 2023-04-04 Edgar Alvarez-Galera , Jordi Marti , Ferran Mazzanti , Lluis Batet

How does nonequilibrium activity modify the approach to a glass? This is an important question, since many experiments reveal the near-glassy nature of the cell interior, remodelled by activity. However, different simulations of dense…

Soft Condensed Matter · Physics 2018-08-28 Saroj Kumar Nandi , Rituparno Mandal , Pranab Jyoti Bhuyan , Chandan Dasgupta , Madan Rao , Nir. S. Gov

First order phase transitions (FOPTs) constitute an active area of contemporary research as a promising cosmological source of observable gravitational waves. The spacetime dynamics of the background scalar field undergoing the phase…

High Energy Physics - Phenomenology · Physics 2025-01-14 Bibhushan Shakya

For well over half a century, precision studies of neutron and nuclear $\beta$ decays have been at the forefront of searches for exotic electroweak physics. Recent advances in nuclear ab initio theory and the widespread use of effective…

Nuclear Theory · Physics 2025-01-28 Leendert Hayen

Organic light emitting devices and solar cells are machines that create, manipulate and destroy excited states in organic semiconductors. It is crucial to characterize these excited states, or excitons, to optimize device performance in…

Materials Science · Physics 2019-06-07 Sebastian Reineke , Marc A. Baldo

A model is proposed for studying the reaction dynamics in complex quantum systems in which the complete mixing of states is hindered by an internal barrier. Such systems are often treated by the transition-state theory, also known in…

Quantum Physics · Physics 2021-11-03 G. F. Bertsch , K. Hagino

The recent identification of the first complex chiral molecule, propylene oxide (PrO) in space opens up a new window to further study the origin of homochirality on the Earth. There are some recent studies to explain the formation of PrO…

Solar and Stellar Astrophysics · Physics 2019-08-14 Ankan Das , Prasanta Gorai , Sandip K. Chakrabarti

A quantum effect at ambient conditions is presented. A benzene dithiol (BDT) molecule or a tetrahydrofuran (THF) molecule is used as a barrier molecule bridging the gold electrodes from a Mechanically Controllable Break junction. It has…

Mesoscale and Nanoscale Physics · Physics 2021-09-23 C. J. Muller

We present the relativistic calculation of the beta-decay of tritium in a hadron model. The elementary particle treatment of the transition 3H -> 3He + e^- + nu_e is performed in analogy with the description of the beta-decay of neutron.…

High Energy Physics - Phenomenology · Physics 2008-11-26 Fedor Simkovic , Rastislav Dvornicky , Amand Faessler

The space-time dynamics and pion-HBT radii in central heavy ion-collisions at CERN-SPS and BNL-RHIC are investigated within a hydrodynamic simulation. The dependence of the dynamics and the HBT-parameters on the EoS is studied with…

Nuclear Theory · Physics 2009-11-07 D. Zschiesche , S. Schramm , H. Stoecker , W. Greiner

Soft metals like lithium and sodium play a critical role in battery technology owing to their high energy density. Texture formation by grain selection growth of soft metals during electrochemical processes is a crucial factor affecting…

Hydrothermal carbonization (HTC) is a process that converts biomass into versatile hydrochar without the need for prior drying. The physicochemical properties of hydrochar are influenced by biomass properties and processing parameters,…

Oxygen migration in tantalum oxide, a promising next-generation storage material, is studied using in-operando x-ray absorption spectromicroscopy and is used to microphysically describe accelerated evolution of conduction channel and device…

Nonsuspended sediment transport (NST) refers to the sediment transport regime in which the flow turbulence is unable to support the weight of transported grains. It occurs in fluvial environments (i.e., driven by a stream of liquid) and in…

Geophysics · Physics 2021-05-25 Thomas Pähtz , Yonghui Liu , Yuezhang Xia , Peng Hu , Zhiguo He , Katharina Tholen

Micro-electro-mechanical system and nano-electro-mechanical system (MEMS and NEMS) transistors are considered promising for size-reducing and power-maximizing electronic devices. However, the tribopolymer which forms due to the mechanical…

Materials Science · Physics 2015-11-12 Yubo Qi , Jing Yang , Andrew M. Rappe

Two particle correlation data from the Relativistic Heavy Ion Collider have provided detailed femtoscopic information describing the space-time structure of the emission of pions. This data had avoided description with hydrodynamic-based…

Nuclear Theory · Physics 2009-07-22 Scott Pratt